0 abbreviation for the United Nations: an international organization that was established in 1945 and aims to solve world problems in a peaceful way:
1 used to add the meaning "not", "lacking", or "the opposite of" before adjectives, adverbs, verbs, and nouns:
3 one:
4 used to add the meaning "not," "lacking," or "the opposite of" to adjectives, adverbs, verbs, and nouns:
unaided; unalterable; unaltered; unanticipated; unappreciated; unapproachable; unassigned; unassisted; unattainable; unbiased; uncommunicative; unconfined; unconvinced; uncultured; undefined; undiminished; uneconomical; unlicensed; unmodified; unmonitored; unmotivated; unobtainable; unpublished; unregulated; unrestricted; unrestrictive; unscheduled; unstressed; unstructured; unsustainable
5 abbreviation for United Nations (= an international organization that was established in 1945 to maintain world peace)
Denmark has withdrawn its UN peace keeping forces from the country.
He denies suggestions that the UN aid was diverted to the military and the elite.
90 percent of this country has been deforested, according to a UN report.